11902239 has 6 divisors (see below), whose sum is σ = 17192136. Its totient is φ = 7934820.

The previous prime is 11902229. The next prime is 11902243. The reversal of 11902239 is 93220911.

It is not a de Polignac number, because 11902239 - 2⁴ = 11902223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11902229) 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, 661227 + ... + 661244.

It is an arithmetic number, because the mean of its divisors is an integer number (2865356).

Almost surely, 2^11902239 is an apocalyptic number.

11902239 is a deficient number, since it is larger than the sum of its proper divisors (5289897).

11902239 is a wasteful number, since it uses less digits than its factorization.

11902239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322477 (or 1322474 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 11902239 is about 3449.9621737057. The cubic root of 11902239 is about 228.3194391294.

The spelling of 11902239 in words is "eleven million, nine hundred two thousand, two hundred thirty-nine".