15132879 has 8 divisors (see below), whose sum is σ = 22419120. Its totient is φ = 10088568.

The previous prime is 15132857. The next prime is 15132881. The reversal of 15132879 is 97823151.

It is not a de Polignac number, because 15132879 - 2¹¹ = 15130831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15132079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280212 + ... + 280265.

It is an arithmetic number, because the mean of its divisors is an integer number (2802390).

Almost surely, 2^15132879 is an apocalyptic number.

15132879 is a deficient number, since it is larger than the sum of its proper divisors (7286241).

15132879 is an equidigital number, since it uses as much as digits as its factorization.

15132879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560486 (or 560480 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 15132879 is about 3890.1001272461. The cubic root of 15132879 is about 247.3473071024.

The spelling of 15132879 in words is "fifteen million, one hundred thirty-two thousand, eight hundred seventy-nine".