13918007 has 2 divisors, whose sum is σ = 13918008. Its totient is φ = 13918006.

The previous prime is 13917997. The next prime is 13918027. The reversal of 13918007 is 70081931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13918007 - 2¹⁴ = 13901623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13918027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6959003 + 6959004.

It is an arithmetic number, because the mean of its divisors is an integer number (6959004).

Almost surely, 2^13918007 is an apocalyptic number.

13918007 is a deficient number, since it is larger than the sum of its proper divisors (1).

13918007 is an equidigital number, since it uses as much as digits as its factorization.

13918007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 13918007 is about 3730.6845216394. The cubic root of 13918007 is about 240.5427934622.

Adding to 13918007 its reverse (70081931), we get a palindrome (83999938).

The spelling of 13918007 in words is "thirteen million, nine hundred eighteen thousand, seven".