13420375 has 16 divisors (see below), whose sum is σ = 16930368. Its totient is φ = 10620000.

The previous prime is 13420331. The next prime is 13420387. The reversal of 13420375 is 57302431.

It is not a de Polignac number, because 13420375 - 2²¹ = 11323223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

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, 12094 + ... + 13156.

It is an arithmetic number, because the mean of its divisors is an integer number (1058148).

Almost surely, 2^13420375 is an apocalyptic number.

13420375 is a deficient number, since it is larger than the sum of its proper divisors (3509993).

13420375 is a wasteful number, since it uses less digits than its factorization.

13420375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179 (or 1169 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 13420375 is about 3663.3829993600. The cubic root of 13420375 is about 237.6410980596.

The spelling of 13420375 in words is "thirteen million, four hundred twenty thousand, three hundred seventy-five".