13422890 has 32 divisors (see below), whose sum is σ = 26369280. Its totient is φ = 4889664.

The previous prime is 13422883. The next prime is 13422917. The reversal of 13422890 is 9822431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9617 + ... + 10923.

It is an arithmetic number, because the mean of its divisors is an integer number (824040).

Almost surely, 2^13422890 is an apocalyptic number.

13422890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13422890 is a deficient number, since it is larger than the sum of its proper divisors (12946390).

13422890 is a wasteful number, since it uses less digits than its factorization.

13422890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 13422890 is about 3663.7262452318. The cubic root of 13422890 is about 237.6559419079.

The spelling of 13422890 in words is "thirteen million, four hundred twenty-two thousand, eight hundred ninety".