13391451 has 12 divisors (see below), whose sum is σ = 20184528. Its totient is φ = 8539344.

The previous prime is 13391449. The next prime is 13391453. The reversal of 13391451 is 15419331.

13391451 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13391449) and next prime (13391453).

It is not a de Polignac number, because 13391451 - 2¹ = 13391449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13391453) 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 11 ways as a sum of consecutive naturals, for example, 32140 + ... + 32553.

It is an arithmetic number, because the mean of its divisors is an integer number (1682044).

Almost surely, 2^13391451 is an apocalyptic number.

13391451 is a deficient number, since it is larger than the sum of its proper divisors (6793077).

13391451 is a wasteful number, since it uses less digits than its factorization.

13391451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64722 (or 64719 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 13391451 is about 3659.4331528257. The cubic root of 13391451 is about 237.4702514909.

The spelling of 13391451 in words is "thirteen million, three hundred ninety-one thousand, four hundred fifty-one".