12254426 has 4 divisors (see below), whose sum is σ = 18381642. Its totient is φ = 6127212.

The previous prime is 12254419. The next prime is 12254447. The reversal of 12254426 is 62445221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62445221 = 6967 ⋅8963.

It can be written as a sum of positive squares in only one way, i.e., 9928801 + 2325625 = 3151^2 + 1525^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12254395 and 12254404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3063605 + ... + 3063608.

Almost surely, 2^12254426 is an apocalyptic number.

12254426 is a deficient number, since it is larger than the sum of its proper divisors (6127216).

12254426 is an equidigital number, since it uses as much as digits as its factorization.

12254426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6127215.

The product of its digits is 3840, while the sum is 26.

The square root of 12254426 is about 3500.6322286124. The cubic root of 12254426 is about 230.5495742409.

Adding to 12254426 its reverse (62445221), we get a palindrome (74699647).

The spelling of 12254426 in words is "twelve million, two hundred fifty-four thousand, four hundred twenty-six".