13099995 has 32 divisors (see below), whose sum is σ = 24307200. Its totient is φ = 6681312.

The previous prime is 13099991. The next prime is 13100023. The reversal of 13099995 is 59999031.

It is not a de Polignac number, because 13099995 - 2² = 13099991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 13099995.

It is not an unprimeable number, because it can be changed into a prime (13099991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 996 + ... + 5214.

It is an arithmetic number, because the mean of its divisors is an integer number (759600).

Almost surely, 2^13099995 is an apocalyptic number.

13099995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13099995 is a deficient number, since it is larger than the sum of its proper divisors (11207205).

13099995 is a wasteful number, since it uses less digits than its factorization.

13099995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4256 (or 4250 counting only the distinct ones).

The product of its (nonzero) digits is 98415, while the sum is 45.

The square root of 13099995 is about 3619.3915234470. The cubic root of 13099995 is about 235.7348057697.

The spelling of 13099995 in words is "thirteen million, ninety-nine thousand, nine hundred ninety-five".