11961700 has 18 divisors (see below), whose sum is σ = 25957106. Its totient is φ = 4784640.

The previous prime is 11961683. The next prime is 11961721. The reversal of 11961700 is 716911.

It can be written as a sum of positive squares in 3 ways, for example, as 952576 + 11009124 = 976^2 + 3318^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59709 + ... + 59908.

Almost surely, 2^11961700 is an apocalyptic number.

11961700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11961700 is an abundant number, since it is smaller than the sum of its proper divisors (13995406).

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

11961700 is a wasteful number, since it uses less digits than its factorization.

11961700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119631 (or 119624 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 11961700 is about 3458.5690682709. The cubic root of 11961700 is about 228.6990191663.

The spelling of 11961700 in words is "eleven million, nine hundred sixty-one thousand, seven hundred".