1353622812 has 24 divisors (see below), whose sum is σ = 3260339712. Its totient is φ = 436652400.

The previous prime is 1353622811. The next prime is 1353622813. The reversal of 1353622812 is 2182263531.

It is an interprime number because it is at equal distance from previous prime (1353622811) and next prime (1353622813).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353622811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1819014 + ... + 1819757.

It is an arithmetic number, because the mean of its divisors is an integer number (135847488).

Almost surely, 2^1353622812 is an apocalyptic number.

1353622812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1353622812 is an abundant number, since it is smaller than the sum of its proper divisors (1906716900).

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

1353622812 is a wasteful number, since it uses less digits than its factorization.

1353622812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3638809 (or 3638807 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 1353622812 is about 36791.6133378247. The cubic root of 1353622812 is about 1106.1972001484.

The spelling of 1353622812 in words is "one billion, three hundred fifty-three million, six hundred twenty-two thousand, eight hundred twelve".