1321413404 has 6 divisors (see below), whose sum is σ = 2312473464. Its totient is φ = 660706700.

The previous prime is 1321413389. The next prime is 1321413419. The reversal of 1321413404 is 4043141231.

It is an interprime number because it is at equal distance from previous prime (1321413389) and next prime (1321413419).

It is a super-2 number, since 2×1321413404² = 3492266768541734432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1321413404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165176672 + ... + 165176679.

It is an arithmetic number, because the mean of its divisors is an integer number (385412244).

Almost surely, 2^1321413404 is an apocalyptic number.

It is an amenable number.

1321413404 is a deficient number, since it is larger than the sum of its proper divisors (991060060).

1321413404 is a wasteful number, since it uses less digits than its factorization.

1321413404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330353355 (or 330353353 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1321413404 is about 36351.2503773942. The cubic root of 1321413404 is about 1097.3526984780.

Adding to 1321413404 its reverse (4043141231), we get a palindrome (5364554635).

The spelling of 1321413404 in words is "one billion, three hundred twenty-one million, four hundred thirteen thousand, four hundred four".