13020472 has 16 divisors (see below), whose sum is σ = 25698600. Its totient is φ = 6167520.

The previous prime is 13020467. The next prime is 13020503. The reversal of 13020472 is 27402031.

13020472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13020472² = 339065382205568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

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, 42679 + ... + 42982.

Almost surely, 2^13020472 is an apocalyptic number.

It is an amenable number.

13020472 is a deficient number, since it is larger than the sum of its proper divisors (12678128).

13020472 is a wasteful number, since it uses less digits than its factorization.

13020472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85686 (or 85682 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 13020472 is about 3608.3891142725. The cubic root of 13020472 is about 235.2568310229.

It can be divided in two parts, 130 and 20472, that added together give a palindrome (20602).

The spelling of 13020472 in words is "thirteen million, twenty thousand, four hundred seventy-two".