13660157 has 8 divisors (see below), whose sum is σ = 15868032. Its totient is φ = 11516400.

The previous prime is 13660147. The next prime is 13660159. The reversal of 13660157 is 75106631.

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

It is not a de Polignac number, because 13660157 - 2⁸ = 13659901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13660159) 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, 15569 + ... + 16422.

It is an arithmetic number, because the mean of its divisors is an integer number (1983504).

Almost surely, 2^13660157 is an apocalyptic number.

It is an amenable number.

13660157 is a deficient number, since it is larger than the sum of its proper divisors (2207875).

13660157 is an equidigital number, since it uses as much as digits as its factorization.

13660157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32059.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 13660157 is about 3695.9649619551. The cubic root of 13660157 is about 239.0480637216.

Adding to 13660157 its reverse (75106631), we get a palindrome (88766788).

The spelling of 13660157 in words is "thirteen million, six hundred sixty thousand, one hundred fifty-seven".