63406013 has 8 divisors (see below), whose sum is σ = 69340320. Its totient is φ = 57500080.

The previous prime is 63406001. The next prime is 63406019. The reversal of 63406013 is 31060436.

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

It is not a de Polignac number, because 63406013 - 2⁴ = 63405997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63406013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63406019) 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, 2270 + ... + 11487.

It is an arithmetic number, because the mean of its divisors is an integer number (8667540).

Almost surely, 2^63406013 is an apocalyptic number.

It is an amenable number.

63406013 is a deficient number, since it is larger than the sum of its proper divisors (5934307).

63406013 is a wasteful number, since it uses less digits than its factorization.

63406013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14187.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 63406013 is about 7962.7892726104. The cubic root of 63406013 is about 398.7586788728.

Adding to 63406013 its reverse (31060436), we get a palindrome (94466449).

The spelling of 63406013 in words is "sixty-three million, four hundred six thousand, thirteen".