11872497 has 32 divisors (see below), whose sum is σ = 19677952. Its totient is φ = 6200064.

The previous prime is 11872459. The next prime is 11872517. The reversal of 11872497 is 79427811.

11872497 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 11872497 - 2⁶ = 11872433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (11872447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42723 + ... + 42999.

It is an arithmetic number, because the mean of its divisors is an integer number (614936).

Almost surely, 2^11872497 is an apocalyptic number.

It is an amenable number.

11872497 is a deficient number, since it is larger than the sum of its proper divisors (7805455).

11872497 is a wasteful number, since it uses less digits than its factorization.

11872497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457.

The product of its digits is 28224, while the sum is 39.

The square root of 11872497 is about 3445.6489954724. The cubic root of 11872497 is about 228.1291012461.

The spelling of 11872497 in words is "eleven million, eight hundred seventy-two thousand, four hundred ninety-seven".