13609628 has 6 divisors (see below), whose sum is σ = 23816856. Its totient is φ = 6804812.

The previous prime is 13609627. The next prime is 13609633. The reversal of 13609628 is 82690631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13609621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1701200 + ... + 1701207.

It is an arithmetic number, because the mean of its divisors is an integer number (3969476).

Almost surely, 2^13609628 is an apocalyptic number.

It is an amenable number.

13609628 is a deficient number, since it is larger than the sum of its proper divisors (10207228).

13609628 is a wasteful number, since it uses less digits than its factorization.

13609628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402411 (or 3402409 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 13609628 is about 3689.1229309959. The cubic root of 13609628 is about 238.7529528248.

The spelling of 13609628 in words is "thirteen million, six hundred nine thousand, six hundred twenty-eight".