13622406 has 32 divisors (see below), whose sum is σ = 32970240. Its totient is φ = 3662976.

The previous prime is 13622383. The next prime is 13622447. The reversal of 13622406 is 60422631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8826 + ... + 10253.

It is an arithmetic number, because the mean of its divisors is an integer number (1030320).

Almost surely, 2^13622406 is an apocalyptic number.

13622406 is an abundant number, since it is smaller than the sum of its proper divisors (19347834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13622406 is a wasteful number, since it uses less digits than its factorization.

13622406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19108.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 13622406 is about 3690.8543726351. The cubic root of 13622406 is about 238.8276507014.

It can be divided in two parts, 13622 and 406, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 13622406 in words is "thirteen million, six hundred twenty-two thousand, four hundred six".