13620370 has 16 divisors (see below), whose sum is σ = 25583040. Its totient is φ = 5211184.

The previous prime is 13620317. The next prime is 13620407. The reversal of 13620370 is 7302631.

It is a super-3 number, since 3×13620370³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29380 + ... + 29839.

It is an arithmetic number, because the mean of its divisors is an integer number (1598940).

Almost surely, 2^13620370 is an apocalyptic number.

13620370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13620370 is a deficient number, since it is larger than the sum of its proper divisors (11962670).

13620370 is a wasteful number, since it uses less digits than its factorization.

13620370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59249.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 13620370 is about 3690.5785454316. The cubic root of 13620370 is about 238.8157517431.

The spelling of 13620370 in words is "thirteen million, six hundred twenty thousand, three hundred seventy".