12613750 has 20 divisors (see below), whose sum is σ = 23645556. Its totient is φ = 5045000.

The previous prime is 12613721. The next prime is 12613823. The reversal of 12613750 is 5731621.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3796 + ... + 6295.

Almost surely, 2^12613750 is an apocalyptic number.

12613750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12613750 is a deficient number, since it is larger than the sum of its proper divisors (11031806).

12613750 is an equidigital number, since it uses as much as digits as its factorization.

12613750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10113 (or 10098 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 12613750 is about 3551.5841535856. The cubic root of 12613750 is about 232.7812913289.

The spelling of 12613750 in words is "twelve million, six hundred thirteen thousand, seven hundred fifty".