13912449 has 4 divisors (see below), whose sum is σ = 18549936. Its totient is φ = 9274964.

The previous prime is 13912439. The next prime is 13912463. The reversal of 13912449 is 94421931.

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: 94421931 = 3 ⋅31473977.

It is a cyclic number.

It is not a de Polignac number, because 13912449 - 2⁷ = 13912321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13912439) 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, 2318739 + ... + 2318744.

It is an arithmetic number, because the mean of its divisors is an integer number (4637484).

Almost surely, 2^13912449 is an apocalyptic number.

It is an amenable number.

13912449 is a deficient number, since it is larger than the sum of its proper divisors (4637487).

13912449 is an equidigital number, since it uses as much as digits as its factorization.

13912449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4637486.

The product of its digits is 7776, while the sum is 33.

The square root of 13912449 is about 3729.9395437460. The cubic root of 13912449 is about 240.5107698434.

The spelling of 13912449 in words is "thirteen million, nine hundred twelve thousand, four hundred forty-nine".