11801907 has 24 divisors (see below), whose sum is σ = 19328400. Its totient is φ = 6879168.

The previous prime is 11801899. The next prime is 11801939. The reversal of 11801907 is 70910811.

It is not a de Polignac number, because 11801907 - 2³ = 11801899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11803907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 432 + ... + 4877.

It is an arithmetic number, because the mean of its divisors is an integer number (805350).

Almost surely, 2^11801907 is an apocalyptic number.

11801907 is a deficient number, since it is larger than the sum of its proper divisors (7526493).

11801907 is a wasteful number, since it uses less digits than its factorization.

11801907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5347 (or 5344 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 27.

The square root of 11801907 is about 3435.3903708312. The cubic root of 11801907 is about 227.6760750980.

The spelling of 11801907 in words is "eleven million, eight hundred one thousand, nine hundred seven".