11897412 has 24 divisors (see below), whose sum is σ = 28407456. Its totient is φ = 3873408.

The previous prime is 11897411. The next prime is 11897419. The reversal of 11897412 is 21479811.

It is not an unprimeable number, because it can be changed into a prime (11897411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11013 + ... + 12044.

It is an arithmetic number, because the mean of its divisors is an integer number (1183644).

Almost surely, 2^11897412 is an apocalyptic number.

11897412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11897412 is an abundant number, since it is smaller than the sum of its proper divisors (16510044).

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

11897412 is a wasteful number, since it uses less digits than its factorization.

11897412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23107 (or 23105 counting only the distinct ones).

The product of its digits is 4032, while the sum is 33.

The square root of 11897412 is about 3449.2625298750. The cubic root of 11897412 is about 228.2885696728.

The spelling of 11897412 in words is "eleven million, eight hundred ninety-seven thousand, four hundred twelve".