13420479 has 8 divisors (see below), whose sum is σ = 18835840. Its totient is φ = 8476056.

The previous prime is 13420469. The next prime is 13420481. The reversal of 13420479 is 97402431.

It is a happy number.

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

It is not a de Polignac number, because 13420479 - 2⁸ = 13420223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13420469) 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, 117667 + ... + 117780.

It is an arithmetic number, because the mean of its divisors is an integer number (2354480).

Almost surely, 2^13420479 is an apocalyptic number.

13420479 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13420479 is a deficient number, since it is larger than the sum of its proper divisors (5415361).

13420479 is a wasteful number, since it uses less digits than its factorization.

13420479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235469.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 13420479 is about 3663.3971938625. The cubic root of 13420479 is about 237.6417119175.

The spelling of 13420479 in words is "thirteen million, four hundred twenty thousand, four hundred seventy-nine".