13764402 has 12 divisors (see below), whose sum is σ = 29822910. Its totient is φ = 4588128.

The previous prime is 13764391. The next prime is 13764409. The reversal of 13764402 is 20446731.

13764402 is a `hidden beast` number, since 13 + 7 + 644 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12680721 + 1083681 = 3561^2 + 1041^2 .

It is not an unprimeable number, because it can be changed into a prime (13764409) 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, 382327 + ... + 382362.

Almost surely, 2^13764402 is an apocalyptic number.

13764402 is an abundant number, since it is smaller than the sum of its proper divisors (16058508).

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

13764402 is a wasteful number, since it uses less digits than its factorization.

13764402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764697 (or 764694 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 13764402 is about 3710.0407005854. The cubic root of 13764402 is about 239.6546073381.

It can be divided in two parts, 1376 and 4402, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 13764402 in words is "thirteen million, seven hundred sixty-four thousand, four hundred two".