1213332415 has 16 divisors (see below), whose sum is σ = 1555301088. Its totient is φ = 905476096.

The previous prime is 1213332403. The next prime is 1213332431. The reversal of 1213332415 is 5142333121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1213332415 - 2⁵ = 1213332383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1213332415.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53557 + ... + 72766.

It is an arithmetic number, because the mean of its divisors is an integer number (97206318).

Almost surely, 2^1213332415 is an apocalyptic number.

1213332415 is a deficient number, since it is larger than the sum of its proper divisors (341968673).

1213332415 is a wasteful number, since it uses less digits than its factorization.

1213332415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126458.

The product of its digits is 2160, while the sum is 25.

The square root of 1213332415 is about 34832.9214249968. The cubic root of 1213332415 is about 1066.5795849591.

Adding to 1213332415 its reverse (5142333121), we get a palindrome (6355665536).

The spelling of 1213332415 in words is "one billion, two hundred thirteen million, three hundred thirty-two thousand, four hundred fifteen".