1290652 has 12 divisors (see below), whose sum is σ = 2464056. Its totient is φ = 586640.

The previous prime is 1290649. The next prime is 1290659. The reversal of 1290652 is 2560921.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1290659) 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, 14623 + ... + 14710.

It is an arithmetic number, because the mean of its divisors is an integer number (205338).

2^1290652 is an apocalyptic number.

It is an amenable number.

1290652 is a deficient number, since it is larger than the sum of its proper divisors (1173404).

1290652 is a wasteful number, since it uses less digits than its factorization.

1290652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29348 (or 29346 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1290652 is about 1136.0686598969. The cubic root of 1290652 is about 108.8770602790.

The spelling of 1290652 in words is "one million, two hundred ninety thousand, six hundred fifty-two".