13457407 has 2 divisors, whose sum is σ = 13457408. Its totient is φ = 13457406.

The previous prime is 13457401. The next prime is 13457417. The reversal of 13457407 is 70475431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13457407 - 2¹⁵ = 13424639 is a prime.

It is a super-2 number, since 2×13457407² = 362203606327298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13457401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6728703 + 6728704.

It is an arithmetic number, because the mean of its divisors is an integer number (6728704).

Almost surely, 2^13457407 is an apocalyptic number.

13457407 is a deficient number, since it is larger than the sum of its proper divisors (1).

13457407 is an equidigital number, since it uses as much as digits as its factorization.

13457407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 13457407 is about 3668.4338620180. The cubic root of 13457407 is about 237.8594785204.

The spelling of 13457407 in words is "thirteen million, four hundred fifty-seven thousand, four hundred seven".