13015451 has 2 divisors, whose sum is σ = 13015452. Its totient is φ = 13015450.

The previous prime is 13015441. The next prime is 13015469. The reversal of 13015451 is 15451031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13015451 - 2¹⁰ = 13014427 is a prime.

It is not a weakly prime, because it can be changed into another prime (13015441) 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 as a sum of consecutive naturals, namely, 6507725 + 6507726.

It is an arithmetic number, because the mean of its divisors is an integer number (6507726).

Almost surely, 2^13015451 is an apocalyptic number.

13015451 is a deficient number, since it is larger than the sum of its proper divisors (1).

13015451 is an equidigital number, since it uses as much as digits as its factorization.

13015451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 13015451 is about 3607.6933073641. The cubic root of 13015451 is about 235.2265869474.

Adding to 13015451 its reverse (15451031), we get a palindrome (28466482).

The spelling of 13015451 in words is "thirteen million, fifteen thousand, four hundred fifty-one".