11987492 has 24 divisors (see below), whose sum is σ = 23097312. Its totient is φ = 5398400.

The previous prime is 11987489. The next prime is 11987501. The reversal of 11987492 is 29478911.

11987492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3767 + ... + 6177.

It is an arithmetic number, because the mean of its divisors is an integer number (962388).

Almost surely, 2^11987492 is an apocalyptic number.

It is an amenable number.

11987492 is a deficient number, since it is larger than the sum of its proper divisors (11109820).

11987492 is a wasteful number, since it uses less digits than its factorization.

11987492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539 (or 2537 counting only the distinct ones).

The product of its digits is 36288, while the sum is 41.

The square root of 11987492 is about 3462.2957701502. The cubic root of 11987492 is about 228.8632759364.

The spelling of 11987492 in words is "eleven million, nine hundred eighty-seven thousand, four hundred ninety-two".