11639907 has 6 divisors (see below), whose sum is σ = 16813212. Its totient is φ = 7759932.

The previous prime is 11639897. The next prime is 11639963. The reversal of 11639907 is 70993611.

11639907 is a `hidden beast` number, since 11 + 639 + 9 + 0 + 7 = 666.

11639907 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11639907 - 2¹⁶ = 11574371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11639987) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 646653 + ... + 646670.

It is an arithmetic number, because the mean of its divisors is an integer number (2802202).

Almost surely, 2^11639907 is an apocalyptic number.

11639907 is a deficient number, since it is larger than the sum of its proper divisors (5173305).

11639907 is a wasteful number, since it uses less digits than its factorization.

11639907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293329 (or 1293326 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 11639907 is about 3411.7307924278. The cubic root of 11639907 is about 226.6295327961.

The spelling of 11639907 in words is "eleven million, six hundred thirty-nine thousand, nine hundred seven".