13369572 has 36 divisors (see below), whose sum is σ = 34139196. Its totient is φ = 4411200.

The previous prime is 13369571. The next prime is 13369589. The reversal of 13369572 is 27596331.

It can be written as a sum of positive squares in 2 ways, for example, as 11943936 + 1425636 = 3456^2 + 1194^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (13369571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1798 + ... + 5474.

It is an arithmetic number, because the mean of its divisors is an integer number (948311).

Almost surely, 2^13369572 is an apocalyptic number.

13369572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13369572 is an abundant number, since it is smaller than the sum of its proper divisors (20769624).

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

13369572 is a wasteful number, since it uses less digits than its factorization.

13369572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788 (or 3783 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 13369572 is about 3656.4425333923. The cubic root of 13369572 is about 237.3408544167.

The spelling of 13369572 in words is "thirteen million, three hundred sixty-nine thousand, five hundred seventy-two".