13256651 has 8 divisors (see below), whose sum is σ = 14275440. Its totient is φ = 12264448.

The previous prime is 13256647. The next prime is 13256657. The reversal of 13256651 is 15665231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13256651 - 2² = 13256647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13256657) 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 7 ways as a sum of consecutive naturals, for example, 5606 + ... + 7611.

It is an arithmetic number, because the mean of its divisors is an integer number (1784430).

Almost surely, 2^13256651 is an apocalyptic number.

13256651 is a deficient number, since it is larger than the sum of its proper divisors (1018789).

13256651 is a wasteful number, since it uses less digits than its factorization.

13256651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13293.

The product of its digits is 5400, while the sum is 29.

The square root of 13256651 is about 3640.9684151335. The cubic root of 13256651 is about 236.6707612419.

The spelling of 13256651 in words is "thirteen million, two hundred fifty-six thousand, six hundred fifty-one".