12626138 has 16 divisors (see below), whose sum is σ = 22918464. Its totient is φ = 5092800.

The previous prime is 12626129. The next prime is 12626147. The reversal of 12626138 is 83162621.

It is an interprime number because it is at equal distance from previous prime (12626129) and next prime (12626147).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12626138.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26288 + ... + 26763.

It is an arithmetic number, because the mean of its divisors is an integer number (1432404).

Almost surely, 2^12626138 is an apocalyptic number.

12626138 is a deficient number, since it is larger than the sum of its proper divisors (10292326).

12626138 is a wasteful number, since it uses less digits than its factorization.

12626138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53077.

The product of its digits is 3456, while the sum is 29.

The square root of 12626138 is about 3553.3277360806. The cubic root of 12626138 is about 232.8574714530.

Adding to 12626138 its reverse (83162621), we get a palindrome (95788759).

It can be divided in two parts, 1262613 and 8, that added together give a palindrome (1262621).

The spelling of 12626138 in words is "twelve million, six hundred twenty-six thousand, one hundred thirty-eight".