103912613 has 16 divisors (see below), whose sum is σ = 122820864. Its totient is φ = 86054400.

The previous prime is 103912609. The next prime is 103912631. The reversal of 103912613 is 316219301.

It is a cyclic number.

It is not a de Polignac number, because 103912613 - 2² = 103912609 is a prime.

It is a super-2 number, since 2×103912613² = 21595662280975538, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103912673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37781 + ... + 40437.

It is an arithmetic number, because the mean of its divisors is an integer number (7676304).

Almost surely, 2^103912613 is an apocalyptic number.

It is an amenable number.

103912613 is a deficient number, since it is larger than the sum of its proper divisors (18908251).

103912613 is a wasteful number, since it uses less digits than its factorization.

103912613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 103912613 is about 10193.7536266088. The cubic root of 103912613 is about 470.1351851965.

The spelling of 103912613 in words is "one hundred three million, nine hundred twelve thousand, six hundred thirteen".