13250772 has 18 divisors (see below), whose sum is σ = 33495098. Its totient is φ = 4416912.

The previous prime is 13250761. The next prime is 13250779. The reversal of 13250772 is 27705231.

It can be written as a sum of positive squares in only one way, i.e., 13220496 + 30276 = 3636^2 + 174^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13250779) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 184003 + ... + 184074.

Almost surely, 2^13250772 is an apocalyptic number.

13250772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13250772 is an abundant number, since it is smaller than the sum of its proper divisors (20244326).

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

13250772 is a wasteful number, since it uses less digits than its factorization.

13250772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368087 (or 368082 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 13250772 is about 3640.1609854511. The cubic root of 13250772 is about 236.6357701737.

The spelling of 13250772 in words is "thirteen million, two hundred fifty thousand, seven hundred seventy-two".