11987612 has 24 divisors (see below), whose sum is σ = 25820256. Its totient is φ = 4742208.

The previous prime is 11987611. The next prime is 11987627. The reversal of 11987612 is 21678911.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11987611) 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, 16103 + ... + 16830.

It is an arithmetic number, because the mean of its divisors is an integer number (1075844).

Almost surely, 2^11987612 is an apocalyptic number.

It is an amenable number.

11987612 is an abundant number, since it is smaller than the sum of its proper divisors (13832644).

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

11987612 is a wasteful number, since it uses less digits than its factorization.

11987612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32957 (or 32955 counting only the distinct ones).

The product of its digits is 6048, while the sum is 35.

The square root of 11987612 is about 3462.3130996488. The cubic root of 11987612 is about 228.8640396074.

The spelling of 11987612 in words is "eleven million, nine hundred eighty-seven thousand, six hundred twelve".