13229481 has 8 divisors (see below), whose sum is σ = 18247680. Its totient is φ = 8515472.

The previous prime is 13229479. The next prime is 13229521. The reversal of 13229481 is 18492231.

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 13229481 - 2¹ = 13229479 is a prime.

It is a super-2 number, since 2×13229481² = 350038335058722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13229431) 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, 75945 + ... + 76118.

It is an arithmetic number, because the mean of its divisors is an integer number (2280960).

Almost surely, 2^13229481 is an apocalyptic number.

It is an amenable number.

13229481 is a deficient number, since it is larger than the sum of its proper divisors (5018199).

13229481 is a wasteful number, since it uses less digits than its factorization.

13229481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152095.

The product of its digits is 3456, while the sum is 30.

The square root of 13229481 is about 3637.2353511974. The cubic root of 13229481 is about 236.5089621403.

The spelling of 13229481 in words is "thirteen million, two hundred twenty-nine thousand, four hundred eighty-one".