13115492 has 24 divisors (see below), whose sum is σ = 24827712. Its totient is φ = 6026400.

The previous prime is 13115489. The next prime is 13115513. The reversal of 13115492 is 29451131.

It is a super-2 number, since 2×13115492² = 344032260804128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15767 + ... + 16577.

It is an arithmetic number, because the mean of its divisors is an integer number (1034488).

Almost surely, 2^13115492 is an apocalyptic number.

It is an amenable number.

13115492 is a deficient number, since it is larger than the sum of its proper divisors (11712220).

13115492 is a wasteful number, since it uses less digits than its factorization.

13115492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139 (or 1137 counting only the distinct ones).

The product of its digits is 1080, while the sum is 26.

The square root of 13115492 is about 3621.5317201427. The cubic root of 13115492 is about 235.8277254664.

The spelling of 13115492 in words is "thirteen million, one hundred fifteen thousand, four hundred ninety-two".