13964507 has 2 divisors, whose sum is σ = 13964508. Its totient is φ = 13964506.

The previous prime is 13964491. The next prime is 13964513. The reversal of 13964507 is 70546931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13964507 - 2⁴ = 13964491 is a prime.

It is not a weakly prime, because it can be changed into another prime (13964527) 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, 6982253 + 6982254.

It is an arithmetic number, because the mean of its divisors is an integer number (6982254).

Almost surely, 2^13964507 is an apocalyptic number.

13964507 is a deficient number, since it is larger than the sum of its proper divisors (1).

13964507 is an equidigital number, since it uses as much as digits as its factorization.

13964507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 13964507 is about 3736.9114252281. The cubic root of 13964507 is about 240.8103798188.

It can be divided in two parts, 139 and 64507, that added together give a palindrome (64646).

The spelling of 13964507 in words is "thirteen million, nine hundred sixty-four thousand, five hundred seven".