13421072 has 20 divisors (see below), whose sum is σ = 29718336. Its totient is φ = 5751840.

The previous prime is 13421071. The next prime is 13421129. The reversal of 13421072 is 27012431.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13421071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59804 + ... + 60027.

Almost surely, 2^13421072 is an apocalyptic number.

It is an amenable number.

13421072 is an abundant number, since it is smaller than the sum of its proper divisors (16297264).

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

13421072 is a wasteful number, since it uses less digits than its factorization.

13421072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119846 (or 119840 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 13421072 is about 3663.4781287733. The cubic root of 13421072 is about 237.6452120275.

The spelling of 13421072 in words is "thirteen million, four hundred twenty-one thousand, seventy-two".