12907022 has 4 divisors (see below), whose sum is σ = 19360536. Its totient is φ = 6453510.

The previous prime is 12907021. The next prime is 12907049. The reversal of 12907022 is 22070921.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12907021) by changing a digit.

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 as a sum of consecutive naturals, namely, 3226754 + ... + 3226757.

It is an arithmetic number, because the mean of its divisors is an integer number (4840134).

Almost surely, 2^12907022 is an apocalyptic number.

12907022 is a deficient number, since it is larger than the sum of its proper divisors (6453514).

12907022 is an equidigital number, since it uses as much as digits as its factorization.

12907022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6453513.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 12907022 is about 3592.6344094550. The cubic root of 12907022 is about 234.5715567605.

Adding to 12907022 its reverse (22070921), we get a palindrome (34977943).

The spelling of 12907022 in words is "twelve million, nine hundred seven thousand, twenty-two".