14002426 has 4 divisors (see below), whose sum is σ = 21003642. Its totient is φ = 7001212.

The previous prime is 14002409. The next prime is 14002427. The reversal of 14002426 is 62420041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62420041 = 197 ⋅316853.

It can be written as a sum of positive squares in only one way, i.e., 11553201 + 2449225 = 3399^2 + 1565^2 .

It is not an unprimeable number, because it can be changed into a prime (14002427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3500605 + ... + 3500608.

Almost surely, 2^14002426 is an apocalyptic number.

14002426 is a deficient number, since it is larger than the sum of its proper divisors (7001216).

14002426 is an equidigital number, since it uses as much as digits as its factorization.

14002426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7001215.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 14002426 is about 3741.9815606173. The cubic root of 14002426 is about 241.0281470543.

Adding to 14002426 its reverse (62420041), we get a palindrome (76422467).

The spelling of 14002426 in words is "fourteen million, two thousand, four hundred twenty-six".