12622729 has 8 divisors (see below), whose sum is σ = 14530880. Its totient is φ = 10740816.

The previous prime is 12622681. The next prime is 12622739. The reversal of 12622729 is 92722621.

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

It is a cyclic number.

It is not a de Polignac number, because 12622729 - 2⁷ = 12622601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12622729.

It is not an unprimeable number, because it can be changed into a prime (12622739) 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, 5514 + ... + 7459.

It is an arithmetic number, because the mean of its divisors is an integer number (1816360).

Almost surely, 2^12622729 is an apocalyptic number.

It is an amenable number.

12622729 is a deficient number, since it is larger than the sum of its proper divisors (1908151).

12622729 is a wasteful number, since it uses less digits than its factorization.

12622729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13119.

The product of its digits is 6048, while the sum is 31.

The square root of 12622729 is about 3552.8480125105. The cubic root of 12622729 is about 232.8365127462.

The spelling of 12622729 in words is "twelve million, six hundred twenty-two thousand, seven hundred twenty-nine".