12013403639 has 2 divisors, whose sum is σ = 12013403640. Its totient is φ = 12013403638.

The previous prime is 12013403627. The next prime is 12013403653. The reversal of 12013403639 is 93630431021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12013403639 - 2⁸ = 12013403383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12013403609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006701819 + 6006701820.

It is an arithmetic number, because the mean of its divisors is an integer number (6006701820).

Almost surely, 2^12013403639 is an apocalyptic number.

12013403639 is a deficient number, since it is larger than the sum of its proper divisors (1).

12013403639 is an equidigital number, since it uses as much as digits as its factorization.

12013403639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 12013403639 in words is "twelve billion, thirteen million, four hundred three thousand, six hundred thirty-nine".