11420504 has 8 divisors (see below), whose sum is σ = 21413460. Its totient is φ = 5710248.

The previous prime is 11420503. The next prime is 11420527. The reversal of 11420504 is 40502411.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×11420504² = 260855823228032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713774 + ... + 713789.

Almost surely, 2^11420504 is an apocalyptic number.

It is an amenable number.

11420504 is a deficient number, since it is larger than the sum of its proper divisors (9992956).

11420504 is a wasteful number, since it uses less digits than its factorization.

11420504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427569 (or 1427565 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 11420504 is about 3379.4236194949. The cubic root of 11420504 is about 225.1965623874.

Adding to 11420504 its reverse (40502411), we get a palindrome (51922915).

The spelling of 11420504 in words is "eleven million, four hundred twenty thousand, five hundred four".