13772308 has 48 divisors (see below), whose sum is σ = 28385280. Its totient is φ = 5781600.

The previous prime is 13772299. The next prime is 13772309. The reversal of 13772308 is 80327731.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 13772308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13772309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31153 + ... + 31591.

It is an arithmetic number, because the mean of its divisors is an integer number (591360).

Almost surely, 2^13772308 is an apocalyptic number.

It is an amenable number.

13772308 is an abundant number, since it is smaller than the sum of its proper divisors (14612972).

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

13772308 is a wasteful number, since it uses less digits than its factorization.

13772308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 13772308 is about 3711.1060345940. The cubic root of 13772308 is about 239.7004828431.

The spelling of 13772308 in words is "thirteen million, seven hundred seventy-two thousand, three hundred eight".