13700557 has 8 divisors (see below), whose sum is σ = 15263640. Its totient is φ = 12210240.

The previous prime is 13700551. The next prime is 13700563. The reversal of 13700557 is 75500731.

13700557 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13700551) and next prime (13700563).

It can be written as a sum of positive squares in 4 ways, for example, as 1687401 + 12013156 = 1299^2 + 3466^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13700557 - 2⁷ = 13700429 is a prime.

It is a super-2 number, since 2×13700557² = 375410524220498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13700551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17794 + ... + 18547.

It is an arithmetic number, because the mean of its divisors is an integer number (1907955).

Almost surely, 2^13700557 is an apocalyptic number.

It is an amenable number.

13700557 is a deficient number, since it is larger than the sum of its proper divisors (1563083).

13700557 is a wasteful number, since it uses less digits than its factorization.

13700557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36383.

The product of its (nonzero) digits is 3675, while the sum is 28.

The square root of 13700557 is about 3701.4263466939. The cubic root of 13700557 is about 239.2834938279.

The spelling of 13700557 in words is "thirteen million, seven hundred thousand, five hundred fifty-seven".