13649051 has 16 divisors (see below), whose sum is σ = 15482880. Its totient is φ = 11938080.

The previous prime is 13649047. The next prime is 13649057. The reversal of 13649051 is 15094631.

It is a cyclic number.

It is not a de Polignac number, because 13649051 - 2² = 13649047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13649057) 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, 56990 + ... + 57228.

It is an arithmetic number, because the mean of its divisors is an integer number (967680).

Almost surely, 2^13649051 is an apocalyptic number.

13649051 is a deficient number, since it is larger than the sum of its proper divisors (1833829).

13649051 is a wasteful number, since it uses less digits than its factorization.

13649051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 13649051 is about 3694.4622071419. The cubic root of 13649051 is about 238.9832624262.

The spelling of 13649051 in words is "thirteen million, six hundred forty-nine thousand, fifty-one".