13700457 has 12 divisors (see below), whose sum is σ = 19827184. Its totient is φ = 9116280.

The previous prime is 13700443. The next prime is 13700461. The reversal of 13700457 is 75400731.

It is not a de Polignac number, because 13700457 - 2⁷ = 13700329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13700457.

It is not an unprimeable number, because it can be changed into a prime (13700497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5118 + ... + 7320.

Almost surely, 2^13700457 is an apocalyptic number.

It is an amenable number.

13700457 is a deficient number, since it is larger than the sum of its proper divisors (6126727).

13700457 is a wasteful number, since it uses less digits than its factorization.

13700457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900 (or 2897 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 13700457 is about 3701.4128383632. The cubic root of 13700457 is about 239.2829116518.

The spelling of 13700457 in words is "thirteen million, seven hundred thousand, four hundred fifty-seven".