13406572 has 6 divisors (see below), whose sum is σ = 23461508. Its totient is φ = 6703284.

The previous prime is 13406531. The next prime is 13406579. The reversal of 13406572 is 27560431.

It is a self number, because there is not a number n which added to its sum of digits gives 13406572.

It is not an unprimeable number, because it can be changed into a prime (13406579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1675818 + ... + 1675825.

Almost surely, 2^13406572 is an apocalyptic number.

It is an amenable number.

13406572 is a deficient number, since it is larger than the sum of its proper divisors (10054936).

13406572 is a wasteful number, since it uses less digits than its factorization.

13406572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351647 (or 3351645 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 13406572 is about 3661.4986003002. The cubic root of 13406572 is about 237.5595979704.

The spelling of 13406572 in words is "thirteen million, four hundred six thousand, five hundred seventy-two".