3212345 has 8 divisors (see below), whose sum is σ = 3864840. Its totient is φ = 2563200.

The previous prime is 3212329. The next prime is 3212347. The reversal of 3212345 is 5432123.

It is a happy number.

3212345 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 4 ways, for example, as 719104 + 2493241 = 848^2 + 1579^2 .

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

It is not a de Polignac number, because 3212345 - 2⁴ = 3212329 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (3212347) 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, 2471 + ... + 3539.

It is an arithmetic number, because the mean of its divisors is an integer number (483105).

Almost surely, 2^3212345 is an apocalyptic number.

It is an amenable number.

3212345 is a deficient number, since it is larger than the sum of its proper divisors (652495).

3212345 is a wasteful number, since it uses less digits than its factorization.

3212345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675.

The product of its digits is 720, while the sum is 20.

The square root of 3212345 is about 1792.3015929246. The cubic root of 3212345 is about 147.5505141550.

Adding to 3212345 its reverse (5432123), we get a palindrome (8644468).

The spelling of 3212345 in words is "three million, two hundred twelve thousand, three hundred forty-five".