13622742 has 80 divisors (see below), whose sum is σ = 35858592. Its totient is φ = 3784320.

The previous prime is 13622737. The next prime is 13622759. The reversal of 13622742 is 24722631.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 46348 + ... + 46640.

Almost surely, 2^13622742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13622742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17929296).

13622742 is an abundant number, since it is smaller than the sum of its proper divisors (22235850).

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

13622742 is a wasteful number, since it uses less digits than its factorization.

13622742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 346 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 13622742 is about 3690.8998902707. The cubic root of 13622742 is about 238.8296142662.

The spelling of 13622742 in words is "thirteen million, six hundred twenty-two thousand, seven hundred forty-two".