13620411 has 24 divisors (see below), whose sum is σ = 22713600. Its totient is φ = 7703856.

The previous prime is 13620407. The next prime is 13620421. The reversal of 13620411 is 11402631.

It is a happy number.

13620411 is a `hidden beast` number, since 1 + 3 + 620 + 41 + 1 = 666.

It is not a de Polignac number, because 13620411 - 2² = 13620407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13620421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5440 + ... + 7538.

It is an arithmetic number, because the mean of its divisors is an integer number (946400).

Almost surely, 2^13620411 is an apocalyptic number.

13620411 is a deficient number, since it is larger than the sum of its proper divisors (9093189).

13620411 is a wasteful number, since it uses less digits than its factorization.

13620411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215 (or 2212 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 13620411 is about 3690.5841001121. The cubic root of 13620411 is about 238.8159913704.

The spelling of 13620411 in words is "thirteen million, six hundred twenty thousand, four hundred eleven".