11912642 has 16 divisors (see below), whose sum is σ = 20475072. Its totient is φ = 5092080.

The previous prime is 11912633. The next prime is 11912669. The reversal of 11912642 is 24621911.

11912642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11912642² = 283822078840328, which contains 22 as substring.

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, 6008 + ... + 7740.

It is an arithmetic number, because the mean of its divisors is an integer number (1279692).

Almost surely, 2^11912642 is an apocalyptic number.

11912642 is a deficient number, since it is larger than the sum of its proper divisors (8562430).

11912642 is a wasteful number, since it uses less digits than its factorization.

11912642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233.

The product of its digits is 864, while the sum is 26.

The square root of 11912642 is about 3451.4695420936. The cubic root of 11912642 is about 228.3859396552.

The spelling of 11912642 in words is "eleven million, nine hundred twelve thousand, six hundred forty-two".