13764049 has 4 divisors (see below), whose sum is σ = 14822836. Its totient is φ = 12705264.

The previous prime is 13764043. The next prime is 13764061. The reversal of 13764049 is 94046731.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3873024 + 9891025 = 1968^2 + 3145^2 .

It is not a de Polignac number, because 13764049 - 2⁷ = 13763921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13764043) 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, 529374 + ... + 529399.

It is an arithmetic number, because the mean of its divisors is an integer number (3705709).

Almost surely, 2^13764049 is an apocalyptic number.

It is an amenable number.

13764049 is a deficient number, since it is larger than the sum of its proper divisors (1058787).

13764049 is a wasteful number, since it uses less digits than its factorization.

13764049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058786.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 13764049 is about 3709.9931266783. The cubic root of 13764049 is about 239.6525586040.

The spelling of 13764049 in words is "thirteen million, seven hundred sixty-four thousand, forty-nine".