1336421 has 8 divisors (see below), whose sum is σ = 1428480. Its totient is φ = 1245888.

The previous prime is 1336417. The next prime is 1336429. The reversal of 1336421 is 1246331.

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 1336421 - 2² = 1336417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1336393 and 1336402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1336429) 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, 1850 + ... + 2468.

It is an arithmetic number, because the mean of its divisors is an integer number (178560).

2^1336421 is an apocalyptic number.

It is an amenable number.

1336421 is a deficient number, since it is larger than the sum of its proper divisors (92059).

1336421 is a wasteful number, since it uses less digits than its factorization.

1336421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763.

The product of its digits is 432, while the sum is 20.

The square root of 1336421 is about 1156.0367641213. The cubic root of 1336421 is about 110.1491365542.

The spelling of 1336421 in words is "one million, three hundred thirty-six thousand, four hundred twenty-one".