13249572 has 24 divisors (see below), whose sum is σ = 35332416. Its totient is φ = 3785568.

The previous prime is 13249543. The next prime is 13249583. The reversal of 13249572 is 27594231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78783 + ... + 78950.

It is an arithmetic number, because the mean of its divisors is an integer number (1472184).

Almost surely, 2^13249572 is an apocalyptic number.

13249572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13249572 is an abundant number, since it is smaller than the sum of its proper divisors (22082844).

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

13249572 is a wasteful number, since it uses less digits than its factorization.

13249572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157747 (or 157745 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 13249572 is about 3639.9961538441. The cubic root of 13249572 is about 236.6286266529.

The spelling of 13249572 in words is "thirteen million, two hundred forty-nine thousand, five hundred seventy-two".