1239974 has 4 divisors (see below), whose sum is σ = 1859964. Its totient is φ = 619986.

The previous prime is 1239971. The next prime is 1239983. The reversal of 1239974 is 4799321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4799321 = 17 ⋅282313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1239971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309992 + ... + 309995.

It is an arithmetic number, because the mean of its divisors is an integer number (464991).

2^1239974 is an apocalyptic number.

1239974 is a deficient number, since it is larger than the sum of its proper divisors (619990).

1239974 is an equidigital number, since it uses as much as digits as its factorization.

1239974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619989.

The product of its digits is 13608, while the sum is 35.

The square root of 1239974 is about 1113.5411981602. The cubic root of 1239974 is about 107.4329562129.

The spelling of 1239974 in words is "one million, two hundred thirty-nine thousand, nine hundred seventy-four".