1214864613 has 12 divisors (see below), whose sum is σ = 1778843820. Its totient is φ = 798814656.

The previous prime is 1214864603. The next prime is 1214864621. The reversal of 1214864613 is 3164684121.

1214864613 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 8 + 646 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 216178209 + 998686404 = 14703^2 + 31602^2 .

It is not a de Polignac number, because 1214864613 - 2²² = 1210670309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214864603) 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, 923898 + ... + 925211.

It is an arithmetic number, because the mean of its divisors is an integer number (148236985).

Almost surely, 2^1214864613 is an apocalyptic number.

It is an amenable number.

1214864613 is a deficient number, since it is larger than the sum of its proper divisors (563979207).

1214864613 is a wasteful number, since it uses less digits than its factorization.

1214864613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849188 (or 1849185 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 1214864613 is about 34854.9080188142. The cubic root of 1214864613 is about 1067.0283555444.

The spelling of 1214864613 in words is "one billion, two hundred fourteen million, eight hundred sixty-four thousand, six hundred thirteen".