13626413 has 2 divisors, whose sum is σ = 13626414. Its totient is φ = 13626412.

The previous prime is 13626407. The next prime is 13626443. The reversal of 13626413 is 31462631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7856809 + 5769604 = 2803^2 + 2402^2 .

It is a cyclic number.

It is not a de Polignac number, because 13626413 - 2¹² = 13622317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13626443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6813206 + 6813207.

It is an arithmetic number, because the mean of its divisors is an integer number (6813207).

Almost surely, 2^13626413 is an apocalyptic number.

It is an amenable number.

13626413 is a deficient number, since it is larger than the sum of its proper divisors (1).

13626413 is an equidigital number, since it uses as much as digits as its factorization.

13626413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 26.

The square root of 13626413 is about 3691.3971609676. The cubic root of 13626413 is about 238.8510652774.

The spelling of 13626413 in words is "thirteen million, six hundred twenty-six thousand, four hundred thirteen".