13622554 has 8 divisors (see below), whose sum is σ = 22291488. Its totient is φ = 6192060.

The previous prime is 13622513. The next prime is 13622561. The reversal of 13622554 is 45522631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309582 + ... + 309625.

It is an arithmetic number, because the mean of its divisors is an integer number (2786436).

Almost surely, 2^13622554 is an apocalyptic number.

13622554 is a deficient number, since it is larger than the sum of its proper divisors (8668934).

13622554 is a wasteful number, since it uses less digits than its factorization.

13622554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619220.

The product of its digits is 7200, while the sum is 28.

The square root of 13622554 is about 3690.8744221390. The cubic root of 13622554 is about 238.8285156090.

It can be divided in two parts, 1362 and 2554, that added together give a triangular number (3916 = T₈₈).

The spelling of 13622554 in words is "thirteen million, six hundred twenty-two thousand, five hundred fifty-four".