13526949 has 4 divisors (see below), whose sum is σ = 18035936. Its totient is φ = 9017964.

The previous prime is 13526927. The next prime is 13526971. The reversal of 13526949 is 94962531.

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: 94962531 = 3 ⋅31654177.

It is an interprime number because it is at equal distance from previous prime (13526927) and next prime (13526971).

It is not a de Polignac number, because 13526949 - 2¹² = 13522853 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13526449) 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, 2254489 + ... + 2254494.

It is an arithmetic number, because the mean of its divisors is an integer number (4508984).

Almost surely, 2^13526949 is an apocalyptic number.

It is an amenable number.

13526949 is a deficient number, since it is larger than the sum of its proper divisors (4508987).

13526949 is an equidigital number, since it uses as much as digits as its factorization.

13526949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508986.

The product of its digits is 58320, while the sum is 39.

The square root of 13526949 is about 3677.9000802088. The cubic root of 13526949 is about 238.2684927474.

The spelling of 13526949 in words is "thirteen million, five hundred twenty-six thousand, nine hundred forty-nine".