13764425 has 6 divisors (see below), whose sum is σ = 17067918. Its totient is φ = 11011520.

The previous prime is 13764409. The next prime is 13764431. The reversal of 13764425 is 52446731.

It can be written as a sum of positive squares in 3 ways, for example, as 7744 + 13756681 = 88^2 + 3709^2 .

It is not a de Polignac number, because 13764425 - 2⁴ = 13764409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13764391 and 13764400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 275264 + ... + 275313.

It is an arithmetic number, because the mean of its divisors is an integer number (2844653).

Almost surely, 2^13764425 is an apocalyptic number.

It is an amenable number.

13764425 is a deficient number, since it is larger than the sum of its proper divisors (3303493).

13764425 is an equidigital number, since it uses as much as digits as its factorization.

13764425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550587 (or 550582 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 13764425 is about 3710.0438002805. The cubic root of 13764425 is about 239.6547408238.

The spelling of 13764425 in words is "thirteen million, seven hundred sixty-four thousand, four hundred twenty-five".