13609456 has 30 divisors (see below), whose sum is σ = 30675120. Its totient is φ = 5832288.

The previous prime is 13609433. The next prime is 13609481. The reversal of 13609456 is 65490631.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7896 + ... + 9463.

It is an arithmetic number, because the mean of its divisors is an integer number (1022504).

Almost surely, 2^13609456 is an apocalyptic number.

13609456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13609456 is an abundant number, since it is smaller than the sum of its proper divisors (17065664).

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

13609456 is a wasteful number, since it uses less digits than its factorization.

13609456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17381 (or 17368 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 13609456 is about 3689.0996191483. The cubic root of 13609456 is about 238.7519470250.

It can be divided in two parts, 1360 and 9456, that added together give a square (10816 = 104²).

The spelling of 13609456 in words is "thirteen million, six hundred nine thousand, four hundred fifty-six".