13422870 has 24 divisors (see below), whose sum is σ = 34899696. Its totient is φ = 3579408.

The previous prime is 13422859. The next prime is 13422881. The reversal of 13422870 is 7822431.

It is an interprime number because it is at equal distance from previous prime (13422859) and next prime (13422881).

It is a super-3 number, since 3×13422870³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 74482 + ... + 74661.

It is an arithmetic number, because the mean of its divisors is an integer number (1454154).

Almost surely, 2^13422870 is an apocalyptic number.

13422870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13422870 is an abundant number, since it is smaller than the sum of its proper divisors (21476826).

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

13422870 is a wasteful number, since it uses less digits than its factorization.

13422870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149156 (or 149153 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 13422870 is about 3663.7235157692. The cubic root of 13422870 is about 237.6558238726.

The spelling of 13422870 in words is "thirteen million, four hundred twenty-two thousand, eight hundred seventy".