11641512 has 16 divisors (see below), whose sum is σ = 29103840. Its totient is φ = 3880496.

The previous prime is 11641501. The next prime is 11641517. The reversal of 11641512 is 21514611.

It is a super-2 number, since 2×11641512² = 271049603292288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11641517) 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, 242508 + ... + 242555.

It is an arithmetic number, because the mean of its divisors is an integer number (1818990).

Almost surely, 2^11641512 is an apocalyptic number.

11641512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11641512 is an abundant number, since it is smaller than the sum of its proper divisors (17462328).

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

11641512 is a wasteful number, since it uses less digits than its factorization.

11641512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485072 (or 485068 counting only the distinct ones).

The product of its digits is 240, while the sum is 21.

The square root of 11641512 is about 3411.9660021753. The cubic root of 11641512 is about 226.6399487924.

The spelling of 11641512 in words is "eleven million, six hundred forty-one thousand, five hundred twelve".