104972013 has 12 divisors (see below), whose sum is σ = 155324988. Its totient is φ = 68274240.

The previous prime is 104971973. The next prime is 104972051. The reversal of 104972013 is 310279401.

It can be written as a sum of positive squares in 2 ways, for example, as 15896169 + 89075844 = 3987^2 + 9438^2 .

It is not a de Polignac number, because 104972013 - 2⁶ = 104971949 is a prime.

It is a super-2 number, since 2×104972013² = 22038247026544338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104972053) 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, 141870 + ... + 142607.

It is an arithmetic number, because the mean of its divisors is an integer number (12943749).

Almost surely, 2^104972013 is an apocalyptic number.

It is an amenable number.

104972013 is a deficient number, since it is larger than the sum of its proper divisors (50352975).

104972013 is a wasteful number, since it uses less digits than its factorization.

104972013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284524 (or 284521 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 104972013 is about 10245.5850491809. The cubic root of 104972013 is about 471.7274787192.

The spelling of 104972013 in words is "one hundred four million, nine hundred seventy-two thousand, thirteen".