11649072 has 20 divisors (see below), whose sum is σ = 30093560. Its totient is φ = 3883008.

The previous prime is 11649061. The next prime is 11649073. The reversal of 11649072 is 27094611.

It is a happy number.

It is a super-2 number, since 2×11649072² = 271401756922368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11649073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121297 + ... + 121392.

It is an arithmetic number, because the mean of its divisors is an integer number (1504678).

Almost surely, 2^11649072 is an apocalyptic number.

11649072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11649072 is an abundant number, since it is smaller than the sum of its proper divisors (18444488).

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

11649072 is a wasteful number, since it uses less digits than its factorization.

11649072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242700 (or 242694 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 11649072 is about 3413.0736880413. The cubic root of 11649072 is about 226.6889981843.

The spelling of 11649072 in words is "eleven million, six hundred forty-nine thousand, seventy-two".