11994457 has 4 divisors (see below), whose sum is σ = 12113316. Its totient is φ = 11875600.

The previous prime is 11994443. The next prime is 11994461. The reversal of 11994457 is 75449911.

11994457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 6405961 + 5588496 = 2531^2 + 2364^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11994457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11994497) 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, 59278 + ... + 59479.

It is an arithmetic number, because the mean of its divisors is an integer number (3028329).

Almost surely, 2^11994457 is an apocalyptic number.

It is an amenable number.

11994457 is a deficient number, since it is larger than the sum of its proper divisors (118859).

11994457 is a wasteful number, since it uses less digits than its factorization.

11994457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118858.

The product of its digits is 45360, while the sum is 40.

The square root of 11994457 is about 3463.3014595903. The cubic root of 11994457 is about 228.9075922425.

The spelling of 11994457 in words is "eleven million, nine hundred ninety-four thousand, four hundred fifty-seven".