13145472 has 48 divisors (see below), whose sum is σ = 37830780. Its totient is φ = 4381440.

The previous prime is 13145449. The next prime is 13145479. The reversal of 13145472 is 27454131.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13145479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4554 + ... + 6857.

Almost surely, 2^13145472 is an apocalyptic number.

13145472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13145472 is an abundant number, since it is smaller than the sum of its proper divisors (24685308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13145472 is a wasteful number, since it uses less digits than its factorization.

13145472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11431 (or 11416 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 13145472 is about 3625.6684900857. The cubic root of 13145472 is about 236.0072773778.

It can be divided in two parts, 1314 and 5472, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 13145472 in words is "thirteen million, one hundred forty-five thousand, four hundred seventy-two".