11420426 has 8 divisors (see below), whose sum is σ = 17146080. Its totient is φ = 5705068.

The previous prime is 11420417. The next prime is 11420429. The reversal of 11420426 is 62402411.

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

It is a super-2 number, since 2×11420426² = 260852260042952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11420398 and 11420407.

It is not an unprimeable number, because it can be changed into a prime (11420429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1475 + ... + 5001.

It is an arithmetic number, because the mean of its divisors is an integer number (2143260).

Almost surely, 2^11420426 is an apocalyptic number.

11420426 is a deficient number, since it is larger than the sum of its proper divisors (5725654).

11420426 is a wasteful number, since it uses less digits than its factorization.

11420426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 11420426 is about 3379.4120790457. The cubic root of 11420426 is about 225.1960497021.

Adding to 11420426 its reverse (62402411), we get a palindrome (73822837).

The spelling of 11420426 in words is "eleven million, four hundred twenty thousand, four hundred twenty-six".