13419657 has 12 divisors (see below), whose sum is σ = 19427824. Its totient is φ = 8926200.

The previous prime is 13419589. The next prime is 13419661. The reversal of 13419657 is 75691431.

It is not a de Polignac number, because 13419657 - 2⁸ = 13419401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13419697) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3282 + ... + 6132.

Almost surely, 2^13419657 is an apocalyptic number.

It is an amenable number.

13419657 is a deficient number, since it is larger than the sum of its proper divisors (6008167).

13419657 is a wasteful number, since it uses less digits than its factorization.

13419657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380 (or 3377 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 13419657 is about 3663.2850011977. The cubic root of 13419657 is about 237.6368599924.

It can be divided in two parts, 134 and 19657, that added together give a palindrome (19791).

The spelling of 13419657 in words is "thirteen million, four hundred nineteen thousand, six hundred fifty-seven".