13242257405 has 16 divisors (see below), whose sum is σ = 17273015424. Its totient is φ = 9687501120.

The previous prime is 13242257387. The next prime is 13242257437. The reversal of 13242257405 is 50475224231.

It is not a de Polignac number, because 13242257405 - 2⁶ = 13242257341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 945041 + ... + 958950.

It is an arithmetic number, because the mean of its divisors is an integer number (1079563464).

Almost surely, 2^13242257405 is an apocalyptic number.

It is an amenable number.

13242257405 is a deficient number, since it is larger than the sum of its proper divisors (4030758019).

13242257405 is a wasteful number, since it uses less digits than its factorization.

13242257405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904116.

The product of its (nonzero) digits is 67200, while the sum is 35.

The spelling of 13242257405 in words is "thirteen billion, two hundred forty-two million, two hundred fifty-seven thousand, four hundred five".