13378651 has 8 divisors (see below), whose sum is σ = 15717744. Its totient is φ = 11226720.

The previous prime is 13378619. The next prime is 13378661. The reversal of 13378651 is 15687331.

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

It is a cyclic number.

It is not a de Polignac number, because 13378651 - 2⁵ = 13378619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13378661) 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, 46636 + ... + 46921.

It is an arithmetic number, because the mean of its divisors is an integer number (1964718).

Almost surely, 2^13378651 is an apocalyptic number.

13378651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13378651 is a deficient number, since it is larger than the sum of its proper divisors (2339093).

13378651 is a wasteful number, since it uses less digits than its factorization.

13378651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93581.

The product of its digits is 15120, while the sum is 34.

The square root of 13378651 is about 3657.6838299667. The cubic root of 13378651 is about 237.3945666830.

It can be divided in two parts, 13378 and 651, that multiplied together give a palindrome (8709078).

The spelling of 13378651 in words is "thirteen million, three hundred seventy-eight thousand, six hundred fifty-one".