12612651 has 8 divisors (see below), whose sum is σ = 17396880. Its totient is φ = 8118432.

The previous prime is 12612571. The next prime is 12612679. The reversal of 12612651 is 15621621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12612651 - 2⁹ = 12612139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12612851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72400 + ... + 72573.

It is an arithmetic number, because the mean of its divisors is an integer number (2174610).

Almost surely, 2^12612651 is an apocalyptic number.

12612651 is a deficient number, since it is larger than the sum of its proper divisors (4784229).

12612651 is a wasteful number, since it uses less digits than its factorization.

12612651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145005.

The product of its digits is 720, while the sum is 24.

The square root of 12612651 is about 3551.4294305251. The cubic root of 12612651 is about 232.7745306096.

The spelling of 12612651 in words is "twelve million, six hundred twelve thousand, six hundred fifty-one".