12620745 has 16 divisors (see below), whose sum is σ = 22437120. Its totient is φ = 6730992.

The previous prime is 12620711. The next prime is 12620789. The reversal of 12620745 is 54702621.

It is not a de Polignac number, because 12620745 - 2¹⁰ = 12619721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46609 + ... + 46878.

It is an arithmetic number, because the mean of its divisors is an integer number (1402320).

Almost surely, 2^12620745 is an apocalyptic number.

12620745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12620745 is a deficient number, since it is larger than the sum of its proper divisors (9816375).

12620745 is an equidigital number, since it uses as much as digits as its factorization.

12620745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93501 (or 93495 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 12620745 is about 3552.5687889188. The cubic root of 12620745 is about 232.8243132753.

The spelling of 12620745 in words is "twelve million, six hundred twenty thousand, seven hundred forty-five".