13421613 has 8 divisors (see below), whose sum is σ = 17948448. Its totient is φ = 8921264.

The previous prime is 13421591. The next prime is 13421651. The reversal of 13421613 is 31612431.

13421613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13421613 - 2¹⁴ = 13405229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13421613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13421813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5406 + ... + 7487.

It is an arithmetic number, because the mean of its divisors is an integer number (2243556).

Almost surely, 2^13421613 is an apocalyptic number.

It is an amenable number.

13421613 is a deficient number, since it is larger than the sum of its proper divisors (4526835).

13421613 is a wasteful number, since it uses less digits than its factorization.

13421613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13243.

The product of its digits is 432, while the sum is 21.

The square root of 13421613 is about 3663.5519649651. The cubic root of 13421613 is about 237.6484051240.

The spelling of 13421613 in words is "thirteen million, four hundred twenty-one thousand, six hundred thirteen".