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11970894 = 2313167919
BaseRepresentation
bin101101101010…
…100101001110
3211112011222110
4231222211032
511031032034
61104324450
7203515365
oct55524516
924464873
1011970894
116836a01
124013726
132631990
1418387dc
1510b6de9
hexb6a94e

11970894 has 32 divisors (see below), whose sum is σ = 25966080. Its totient is φ = 3657312.

The previous prime is 11970887. The next prime is 11970901. The reversal of 11970894 is 49807911.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11970887) and next prime (11970901).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12567 + ... + 13485.

It is an arithmetic number, because the mean of its divisors is an integer number (811440).

Almost surely, 211970894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11970894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12983040).

11970894 is an abundant number, since it is smaller than the sum of its proper divisors (13995186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11970894 is a wasteful number, since it uses less digits than its factorization.

11970894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 11970894 is about 3459.8979753744. The cubic root of 11970894 is about 228.7575983621.

The spelling of 11970894 in words is "eleven million, nine hundred seventy thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 13 26 39 78 167 334 501 919 1002 1838 2171 2757 4342 5514 6513 11947 13026 23894 35841 71682 153473 306946 460419 920838 1995149 3990298 5985447 11970894