13629922 has 4 divisors (see below), whose sum is σ = 20444886. Its totient is φ = 6814960.

The previous prime is 13629919. The next prime is 13629929. The reversal of 13629922 is 22992631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13315201 + 314721 = 3649^2 + 561^2 .

It is not an unprimeable number, because it can be changed into a prime (13629929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3407479 + ... + 3407482.

Almost surely, 2^13629922 is an apocalyptic number.

13629922 is a deficient number, since it is larger than the sum of its proper divisors (6814964).

13629922 is an equidigital number, since it uses as much as digits as its factorization.

13629922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6814963.

The product of its digits is 11664, while the sum is 34.

The square root of 13629922 is about 3691.8724246648. The cubic root of 13629922 is about 238.8715660615.

The spelling of 13629922 in words is "thirteen million, six hundred twenty-nine thousand, nine hundred twenty-two".