13199097 has 4 divisors (see below), whose sum is σ = 17598800. Its totient is φ = 8799396.

The previous prime is 13199071. The next prime is 13199099. The reversal of 13199097 is 79099131.

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 not a de Polignac number, because 13199097 - 2¹² = 13195001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13199099) 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, 2199847 + ... + 2199852.

It is an arithmetic number, because the mean of its divisors is an integer number (4399700).

Almost surely, 2^13199097 is an apocalyptic number.

It is an amenable number.

13199097 is a deficient number, since it is larger than the sum of its proper divisors (4399703).

13199097 is an equidigital number, since it uses as much as digits as its factorization.

13199097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4399702.

The product of its (nonzero) digits is 15309, while the sum is 39.

The square root of 13199097 is about 3633.0561515066. The cubic root of 13199097 is about 236.3277608586.

The spelling of 13199097 in words is "thirteen million, one hundred ninety-nine thousand, ninety-seven".