13680951 has 8 divisors (see below), whose sum is σ = 18829824. Its totient is φ = 8826360.

The previous prime is 13680949. The next prime is 13681033. The reversal of 13680951 is 15908631.

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

It is not a de Polignac number, because 13680951 - 2¹ = 13680949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13680911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73461 + ... + 73646.

It is an arithmetic number, because the mean of its divisors is an integer number (2353728).

Almost surely, 2^13680951 is an apocalyptic number.

13680951 is a deficient number, since it is larger than the sum of its proper divisors (5148873).

13680951 is a wasteful number, since it uses less digits than its factorization.

13680951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147141.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 13680951 is about 3698.7769600234. The cubic root of 13680951 is about 239.1692981833.

The spelling of 13680951 in words is "thirteen million, six hundred eighty thousand, nine hundred fifty-one".