13225977 has 8 divisors (see below), whose sum is σ = 19594080. Its totient is φ = 8817300.

The previous prime is 13225973. The next prime is 13225981. The reversal of 13225977 is 77952231.

It is an interprime number because it is at equal distance from previous prime (13225973) and next prime (13225981).

It is not a de Polignac number, because 13225977 - 2² = 13225973 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13225973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244899 + ... + 244952.

It is an arithmetic number, because the mean of its divisors is an integer number (2449260).

Almost surely, 2^13225977 is an apocalyptic number.

It is an amenable number.

13225977 is a deficient number, since it is larger than the sum of its proper divisors (6368103).

13225977 is an equidigital number, since it uses as much as digits as its factorization.

13225977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489860 (or 489854 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 13225977 is about 3636.7536347682. The cubic root of 13225977 is about 236.4880794722.

The spelling of 13225977 in words is "thirteen million, two hundred twenty-five thousand, nine hundred seventy-seven".