12622738 has 8 divisors (see below), whose sum is σ = 20047932. Its totient is φ = 5940096.

The previous prime is 12622681. The next prime is 12622739. The reversal of 12622738 is 83722621.

It can be written as a sum of positive squares in 2 ways, for example, as 11648569 + 974169 = 3413^2 + 987^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 185595 + ... + 185662.

Almost surely, 2^12622738 is an apocalyptic number.

12622738 is a deficient number, since it is larger than the sum of its proper divisors (7425194).

12622738 is a wasteful number, since it uses less digits than its factorization.

12622738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371276.

The product of its digits is 8064, while the sum is 31.

The square root of 12622738 is about 3552.8492790998. The cubic root of 12622738 is about 232.8365680837.

The spelling of 12622738 in words is "twelve million, six hundred twenty-two thousand, seven hundred thirty-eight".