12577631 has 8 divisors (see below), whose sum is σ = 13858128. Its totient is φ = 11320000.

The previous prime is 12577613. The next prime is 12577657. The reversal of 12577631 is 13677521.

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 12577631 - 2⁶ = 12577567 is a prime.

It is a super-2 number, since 2×12577631² = 316393603144322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12577531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4550 + ... + 6771.

It is an arithmetic number, because the mean of its divisors is an integer number (1732266).

Almost surely, 2^12577631 is an apocalyptic number.

12577631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12577631 is a deficient number, since it is larger than the sum of its proper divisors (1280497).

12577631 is a wasteful number, since it uses less digits than its factorization.

12577631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11433.

The product of its digits is 8820, while the sum is 32.

The square root of 12577631 is about 3546.4955942451. The cubic root of 12577631 is about 232.5588920842.

It can be divided in two parts, 1257 and 7631, that added together give a palindrome (8888).

The spelling of 12577631 in words is "twelve million, five hundred seventy-seven thousand, six hundred thirty-one".