11949270 has 64 divisors (see below), whose sum is σ = 30032640. Its totient is φ = 3040128.

The previous prime is 11949269. The next prime is 11949281. The reversal of 11949270 is 7294911.

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 31 ways as a sum of consecutive naturals, for example, 76032 + ... + 76188.

It is an arithmetic number, because the mean of its divisors is an integer number (469260).

Almost surely, 2^11949270 is an apocalyptic number.

11949270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11949270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15016320).

11949270 is an abundant number, since it is smaller than the sum of its proper divisors (18083370).

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

11949270 is a wasteful number, since it uses less digits than its factorization.

11949270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 11949270 is about 3456.7716152503. The cubic root of 11949270 is about 228.6197741858.

The spelling of 11949270 in words is "eleven million, nine hundred forty-nine thousand, two hundred seventy".