13421936 has 20 divisors (see below), whose sum is σ = 28369464. Its totient is φ = 6100800.

The previous prime is 13421927. The next prime is 13421951. The reversal of 13421936 is 63912431.

13421936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13421899 and 13421908.

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, 37955 + ... + 38306.

Almost surely, 2^13421936 is an apocalyptic number.

13421936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13421936 is an abundant number, since it is smaller than the sum of its proper divisors (14947528).

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

13421936 is a wasteful number, since it uses less digits than its factorization.

13421936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76280 (or 76274 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

The square root of 13421936 is about 3663.5960476013. The cubic root of 13421936 is about 237.6503114974.

The spelling of 13421936 in words is "thirteen million, four hundred twenty-one thousand, nine hundred thirty-six".