12631234 has 16 divisors (see below), whose sum is σ = 23622336. Its totient is φ = 4921200.

The previous prime is 12631193. The next prime is 12631237. The reversal of 12631234 is 43213621.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (12631237) 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, 40857 + ... + 41164.

It is an arithmetic number, because the mean of its divisors is an integer number (1476396).

Almost surely, 2^12631234 is an apocalyptic number.

12631234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12631234 is a deficient number, since it is larger than the sum of its proper divisors (10991102).

12631234 is a wasteful number, since it uses less digits than its factorization.

12631234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82041.

The product of its digits is 864, while the sum is 22.

The square root of 12631234 is about 3554.0447380414. The cubic root of 12631234 is about 232.8887948887. Note that the first 3 decimals are identical.

Adding to 12631234 its reverse (43213621), we get a palindrome (55844855).

The spelling of 12631234 in words is "twelve million, six hundred thirty-one thousand, two hundred thirty-four".