13630051 has 4 divisors (see below), whose sum is σ = 13765104. Its totient is φ = 13495000.

The previous prime is 13630037. The next prime is 13630061. The reversal of 13630051 is 15003631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13630051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13630031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67375 + ... + 67576.

It is an arithmetic number, because the mean of its divisors is an integer number (3441276).

Almost surely, 2^13630051 is an apocalyptic number.

13630051 is a deficient number, since it is larger than the sum of its proper divisors (135053).

13630051 is a wasteful number, since it uses less digits than its factorization.

13630051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135052.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 13630051 is about 3691.8898954330. The cubic root of 13630051 is about 238.8723196568.

Adding to 13630051 its reverse (15003631), we get a palindrome (28633682).

The spelling of 13630051 in words is "thirteen million, six hundred thirty thousand, fifty-one".