1213895360 has 28 divisors (see below), whose sum is σ = 2890589088. Its totient is φ = 485558016.

The previous prime is 1213895359. The next prime is 1213895363. The reversal of 1213895360 is 635983121.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1213895363) 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 in 3 ways as a sum of consecutive naturals, for example, 1896392 + ... + 1897031.

Almost surely, 2^1213895360 is an apocalyptic number.

1213895360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213895360 is an abundant number, since it is smaller than the sum of its proper divisors (1676693728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213895360 is an equidigital number, since it uses as much as digits as its factorization.

1213895360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793440 (or 3793430 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 1213895360 is about 34841.0011337217. The cubic root of 1213895360 is about 1066.7445116799.

The spelling of 1213895360 in words is "one billion, two hundred thirteen million, eight hundred ninety-five thousand, three hundred sixty".