1293290712 has 144 divisors (see below), whose sum is σ = 4225745160. Its totient is φ = 369484416.

The previous prime is 1293290671. The next prime is 1293290723. The reversal of 1293290712 is 2170923921.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 88468 + ... + 102044.

Almost surely, 2^1293290712 is an apocalyptic number.

1293290712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1293290712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2112872580).

1293290712 is an abundant number, since it is smaller than the sum of its proper divisors (2932454448).

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

1293290712 is a wasteful number, since it uses less digits than its factorization.

1293290712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13612 (or 13589 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 1293290712 is about 35962.3513135612. The cubic root of 1293290712 is about 1089.5120875529.

The spelling of 1293290712 in words is "one billion, two hundred ninety-three million, two hundred ninety thousand, seven hundred twelve".