1404312013 has 32 divisors (see below), whose sum is σ = 1644281856. Its totient is φ = 1187586048.

The previous prime is 1404312011. The next prime is 1404312083. The reversal of 1404312013 is 3102134041.

It is a cyclic number.

It is not a de Polignac number, because 1404312013 - 2¹ = 1404312011 is a prime.

It is a super-2 number, since 2×1404312013² = 3944184459712224338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404312011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3666420 + ... + 3666802.

It is an arithmetic number, because the mean of its divisors is an integer number (51383808).

Almost surely, 2^1404312013 is an apocalyptic number.

1404312013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1404312013 is a deficient number, since it is larger than the sum of its proper divisors (239969843).

1404312013 is a wasteful number, since it uses less digits than its factorization.

1404312013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1404312013 is about 37474.1512645717. The cubic root of 1404312013 is about 1119.8362890498.

Adding to 1404312013 its reverse (3102134041), we get a palindrome (4506446054).

The spelling of 1404312013 in words is "one billion, four hundred four million, three hundred twelve thousand, thirteen".