11497239 has 18 divisors (see below), whose sum is σ = 17985240. Its totient is φ = 7074288.

The previous prime is 11497231. The next prime is 11497247. The reversal of 11497239 is 93279411.

It is an interprime number because it is at equal distance from previous prime (11497231) and next prime (11497247).

It is not a de Polignac number, because 11497239 - 2³ = 11497231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11497231) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2259 + ... + 5300.

It is an arithmetic number, because the mean of its divisors is an integer number (999180).

Almost surely, 2^11497239 is an apocalyptic number.

11497239 is a deficient number, since it is larger than the sum of its proper divisors (6488001).

11497239 is a wasteful number, since it uses less digits than its factorization.

11497239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7591 (or 7575 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 11497239 is about 3390.7578798847. The cubic root of 11497239 is about 225.6998063556.

The spelling of 11497239 in words is "eleven million, four hundred ninety-seven thousand, two hundred thirty-nine".