13732229 has 4 divisors (see below), whose sum is σ = 15693984. Its totient is φ = 11770476.

The previous prime is 13732211. The next prime is 13732237. The reversal of 13732229 is 92223731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13732229 - 2⁸ = 13731973 is a prime.

It is a super-2 number, since 2×13732229² = 377148226616882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13732429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 980867 + ... + 980880.

It is an arithmetic number, because the mean of its divisors is an integer number (3923496).

Almost surely, 2^13732229 is an apocalyptic number.

It is an amenable number.

13732229 is a deficient number, since it is larger than the sum of its proper divisors (1961755).

13732229 is an equidigital number, since it uses as much as digits as its factorization.

13732229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961754.

The product of its digits is 4536, while the sum is 29.

The square root of 13732229 is about 3705.7022276486. The cubic root of 13732229 is about 239.4677382694.

The spelling of 13732229 in words is "thirteen million, seven hundred thirty-two thousand, two hundred twenty-nine".