10521346 has 8 divisors (see below), whose sum is σ = 17216784. Its totient is φ = 4782420.

The previous prime is 10521331. The next prime is 10521359. The reversal of 10521346 is 64312501.

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

It is a super-2 number, since 2×10521346² = 221397443303432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 478243 = 10521346 / (1 + 0 + 5 + 2 + 1 + 3 + 4 + 6).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239100 + ... + 239143.

It is an arithmetic number, because the mean of its divisors is an integer number (2152098).

Almost surely, 2^10521346 is an apocalyptic number.

10521346 is a deficient number, since it is larger than the sum of its proper divisors (6695438).

10521346 is a wasteful number, since it uses less digits than its factorization.

10521346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478256.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 10521346 is about 3243.6624361977. The cubic root of 10521346 is about 219.1242457828.

Adding to 10521346 its reverse (64312501), we get a palindrome (74833847).

The spelling of 10521346 in words is "ten million, five hundred twenty-one thousand, three hundred forty-six".