13229297 has 4 divisors (see below), whose sum is σ = 13330416. Its totient is φ = 13128180.

The previous prime is 13229273. The next prime is 13229303. The reversal of 13229297 is 79292231.

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, and also an emirpimes, since its reverse is a distinct semiprime: 79292231 = 1327 ⋅59753.

It is a cyclic number.

It is not a de Polignac number, because 13229297 - 2¹⁸ = 12967153 is a prime.

It is a super-2 number, since 2×13229297² = 350028598228418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13229207) 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, 50363 + ... + 50624.

It is an arithmetic number, because the mean of its divisors is an integer number (3332604).

Almost surely, 2^13229297 is an apocalyptic number.

It is an amenable number.

13229297 is a deficient number, since it is larger than the sum of its proper divisors (101119).

13229297 is a wasteful number, since it uses less digits than its factorization.

13229297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101118.

The product of its digits is 13608, while the sum is 35.

The square root of 13229297 is about 3637.2100571729. The cubic root of 13229297 is about 236.5078656536.

The spelling of 13229297 in words is "thirteen million, two hundred twenty-nine thousand, two hundred ninety-seven".