612260013 has 16 divisors (see below), whose sum is σ = 847411200. Its totient is φ = 392789040.

The previous prime is 612259997. The next prime is 612260017. The reversal of 612260013 is 310062216.

It is a happy number.

It is not a de Polignac number, because 612260013 - 2⁴ = 612259997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612260017) 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, 1743 + ... + 35036.

It is an arithmetic number, because the mean of its divisors is an integer number (52963200).

Almost surely, 2^612260013 is an apocalyptic number.

It is an amenable number.

612260013 is a deficient number, since it is larger than the sum of its proper divisors (235151187).

612260013 is a wasteful number, since it uses less digits than its factorization.

612260013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36992.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 612260013 is about 24743.8883969355. Note that the first 3 decimals coincide. The cubic root of 612260013 is about 849.1386952396.

The spelling of 612260013 in words is "six hundred twelve million, two hundred sixty thousand, thirteen".