13421608 has 16 divisors (see below), whose sum is σ = 25207380. Its totient is φ = 6699648.

The previous prime is 13421591. The next prime is 13421651. The reversal of 13421608 is 80612431.

It can be written as a sum of positive squares in 2 ways, for example, as 11410884 + 2010724 = 3378^2 + 1418^2 .

It is a super-2 number, since 2×13421608² = 360279122611328, which contains 22 as substring.

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, 6060 + ... + 7972.

Almost surely, 2^13421608 is an apocalyptic number.

It is an amenable number.

13421608 is a deficient number, since it is larger than the sum of its proper divisors (11785772).

13421608 is a wasteful number, since it uses less digits than its factorization.

13421608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796 (or 2792 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 13421608 is about 3663.5512825672. The cubic root of 13421608 is about 237.6483756133.

The spelling of 13421608 in words is "thirteen million, four hundred twenty-one thousand, six hundred eight".