13709049 has 4 divisors (see below), whose sum is σ = 18278736. Its totient is φ = 9139364.

The previous prime is 13709041. The next prime is 13709057. The reversal of 13709049 is 94090731.

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 (13709041) and next prime (13709057).

It is a cyclic number.

It is not a de Polignac number, because 13709049 - 2³ = 13709041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13709041) 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, 2284839 + ... + 2284844.

It is an arithmetic number, because the mean of its divisors is an integer number (4569684).

Almost surely, 2^13709049 is an apocalyptic number.

It is an amenable number.

13709049 is a deficient number, since it is larger than the sum of its proper divisors (4569687).

13709049 is an equidigital number, since it uses as much as digits as its factorization.

13709049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4569686.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 13709049 is about 3702.5732943454. The cubic root of 13709049 is about 239.3329218850.

The spelling of 13709049 in words is "thirteen million, seven hundred nine thousand, forty-nine".