12798437 has 8 divisors (see below), whose sum is σ = 13157592. Its totient is φ = 12441600.

The previous prime is 12798427. The next prime is 12798449. The reversal of 12798437 is 73489721.

12798437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2033476 + 10764961 = 1426^2 + 3281^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12798437 - 2⁴ = 12798421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12798394 and 12798403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12798427) 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, 21893 + ... + 22469.

It is an arithmetic number, because the mean of its divisors is an integer number (1644699).

Almost surely, 2^12798437 is an apocalyptic number.

It is an amenable number.

12798437 is a deficient number, since it is larger than the sum of its proper divisors (359155).

12798437 is an equidigital number, since it uses as much as digits as its factorization.

12798437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159.

The product of its digits is 84672, while the sum is 41.

The square root of 12798437 is about 3577.4903214404. The cubic root of 12798437 is about 233.9118973367.

The spelling of 12798437 in words is "twelve million, seven hundred ninety-eight thousand, four hundred thirty-seven".