1292398 has 4 divisors (see below), whose sum is σ = 1938600. Its totient is φ = 646198.

The previous prime is 1292387. The next prime is 1292419. The reversal of 1292398 is 8932921.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323098 + ... + 323101.

It is an arithmetic number, because the mean of its divisors is an integer number (484650).

2^1292398 is an apocalyptic number.

1292398 is a deficient number, since it is larger than the sum of its proper divisors (646202).

1292398 is an equidigital number, since it uses as much as digits as its factorization.

1292398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646201.

The product of its digits is 7776, while the sum is 34.

The square root of 1292398 is about 1136.8368396564. The cubic root of 1292398 is about 108.9261346200.

The spelling of 1292398 in words is "one million, two hundred ninety-two thousand, three hundred ninety-eight".