13967229 has 4 divisors (see below), whose sum is σ = 18622976. Its totient is φ = 9311484.

The previous prime is 13967221. The next prime is 13967237. The reversal of 13967229 is 92276931.

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 an interprime number because it is at equal distance from previous prime (13967221) and next prime (13967237).

It is not a de Polignac number, because 13967229 - 2³ = 13967221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13967221) 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, 2327869 + ... + 2327874.

It is an arithmetic number, because the mean of its divisors is an integer number (4655744).

Almost surely, 2^13967229 is an apocalyptic number.

It is an amenable number.

13967229 is a deficient number, since it is larger than the sum of its proper divisors (4655747).

13967229 is an equidigital number, since it uses as much as digits as its factorization.

13967229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4655746.

The product of its digits is 40824, while the sum is 39.

The square root of 13967229 is about 3737.2756119933. The cubic root of 13967229 is about 240.8260252755.

It can be divided in two parts, 13967 and 229, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 13967229 in words is "thirteen million, nine hundred sixty-seven thousand, two hundred twenty-nine".