13148644 has 12 divisors (see below), whose sum is σ = 23081968. Its totient is φ = 6553800.

The previous prime is 13148609. The next prime is 13148651. The reversal of 13148644 is 44684131.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3642 + ... + 6289.

Almost surely, 2^13148644 is an apocalyptic number.

It is an amenable number.

13148644 is a deficient number, since it is larger than the sum of its proper divisors (9933324).

13148644 is a wasteful number, since it uses less digits than its factorization.

13148644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10266 (or 10264 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 13148644 is about 3626.1059002737. The cubic root of 13148644 is about 236.0262586889.

The spelling of 13148644 in words is "thirteen million, one hundred forty-eight thousand, six hundred forty-four".