13486949 has 4 divisors (see below), whose sum is σ = 15413664. Its totient is φ = 11560236.

The previous prime is 13486937. The next prime is 13486951. The reversal of 13486949 is 94968431.

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: 94968431 = 439 ⋅216329.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13486949 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13486999) 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, 963347 + ... + 963360.

It is an arithmetic number, because the mean of its divisors is an integer number (3853416).

Almost surely, 2^13486949 is an apocalyptic number.

It is an amenable number.

13486949 is a deficient number, since it is larger than the sum of its proper divisors (1926715).

13486949 is an equidigital number, since it uses as much as digits as its factorization.

13486949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926714.

The product of its digits is 186624, while the sum is 44.

The square root of 13486949 is about 3672.4581685841. The cubic root of 13486949 is about 238.0334027924.

The spelling of 13486949 in words is "thirteen million, four hundred eighty-six thousand, nine hundred forty-nine".