13662051 has 16 divisors (see below), whose sum is σ = 19768224. Its totient is φ = 8342784.

The previous prime is 13662043. The next prime is 13662053. The reversal of 13662051 is 15026631.

It is not a de Polignac number, because 13662051 - 2³ = 13662043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13662053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4065 + ... + 6621.

It is an arithmetic number, because the mean of its divisors is an integer number (1235514).

Almost surely, 2^13662051 is an apocalyptic number.

13662051 is a deficient number, since it is larger than the sum of its proper divisors (6106173).

13662051 is a wasteful number, since it uses less digits than its factorization.

13662051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 13662051 is about 3696.2211784470. The cubic root of 13662051 is about 239.0591113279.

Adding to 13662051 its reverse (15026631), we get a palindrome (28688682).

The spelling of 13662051 in words is "thirteen million, six hundred sixty-two thousand, fifty-one".